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It's not a winch
with sheaves that are only 5/8" in diameter
cascading backstay
The Harken 29mm Carbo Air® Single Block includes an integral becket that allows either a 2:1 or 3:1 purchase
Both the 7401 and 7402 have ball and socket bases to align blocks for smooth leads aft
HARKEN 40mm Carbo Air® Single Block, 2636 Block Configuration_Classic It's not a winchThe Harken 40mm Carbo Air Single Block includes a swivel shackle with removable screw pin. Low friction Carbo AirBlocks are lightweight, strong, reliableand economical. Consistently 30% lighter and 60% stronger than equivalent Classic blocks. The sideplates are UV stabilized, high strength resin and designed for small diameter lines favored by racers. Good for jib and mainsheet systems on dinghies and sportboats, and for high load control lines on
